tree c0e32d2bdaaf26f6819f5f034ed8f1679d23109f
parent 35d8ba66294ff2a53c17337a1aa1ff6739492f41
author Chris Mason <chris.mason@oracle.com> 1213235276 -0400
committer Chris Mason <chris.mason@oracle.com> 1222355043 -0400

Btrfs: Add a mount option to control worker thread pool size

mount -o thread_pool_size changes the default, which is
min(num_cpus + 2, 8).  Larger thread pools would make more sense on
very large disk arrays.

This mount option controls the max size of each thread pool.  There
are multiple thread pools, so the total worker count will be larger
than the mount option.

Signed-off-by: Chris Mason <chris.mason@oracle.com>